CWNA

Category - CWNA

Why is SSID filtering not considered a secure form of access control?
  1. SSID is uni-casted in the clear to every access point beacon by default.
  2. The SSID of a wireless LAN client must match the SSID on the access point in order for the client to authenticate and associate to the access point.
  3. SSID of a network can be easily found out using a protocol analyzer.
  4. SSID encryption is easy to decrypt using freeware utilities.
Explanation
Answer - C - SSID filtering is not considered a secure form of access control because a network SSID can be easily found out using a protocol analyzer.

Key Takeaway: SSID is sent as part of each beacon frame and probe response frame. A protocol analyzer is computer software or hardware that can intercept and log traffic passing over a digital network or part of a network. As data streams flow across the network, the sniffer captures each packet, and if needed, decodes and analyzes its content according to the appropriate RFC or other specifications.
Was this helpful? Upvote!
Login to contribute your own answer or details